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International research collaboration is vital to the success of scientific development of China, and the identification of collaboration partners is the basic unit of collaboration. While many researchers have investigated international research collaboration using publication data, grant data have rarely been used.
Lili Yuan +5 more
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In this paper we discuss a second-order difference equation which was modeled from macroeconomics. Continuing Sedaghat's results on permanence, boundedness, oscillation and asymptotic stability, we discuss its flip bifurcation and Neimark–Sacker bifurcation by investigating its equivalent planar mapping and calculating its center manifold and normal ...
Shuping Li, Weinian Zhang
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Grant and funding for synthetic biology at NSFC from 2010 to 2019
Quansheng Du, Wei Hong, Yan Zu
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